male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST OVERSTUDY
Regular verb: overstudy - overstudied - overstudied
Affirmation
Simple form
I must overstudyyou must overstudy
she must overstudy
we must overstudy
you must overstudy
they must overstudy
V-ing form
I must be overstudyingyou must be overstudying
she must be overstudying
we must be overstudying
you must be overstudying
they must be overstudying
Perfect
I must have overstudiedyou must have overstudied
she must have overstudied
we must have overstudied
you must have overstudied
they must have overstudied
V-ing perfect
I must have been overstudyingyou must have been overstudying
she must have been overstudying
we must have been overstudying
you must have been overstudying
they must have been overstudying
Negation
Simple form
I must not overstudyyou must not overstudy
she must not overstudy
we must not overstudy
you must not overstudy
they must not overstudy
V-ing form
I must not be overstudyingyou must not be overstudying
she must not be overstudying
we must not be overstudying
you must not be overstudying
they must not be overstudying
Perfect
I must not have overstudiedyou must not have overstudied
she must not have overstudied
we must not have overstudied
you must not have overstudied
they must not have overstudied
V-ing perfect
I must not have been overstudyingyou must not have been overstudying
she must not have been overstudying
we must not have been overstudying
you must not have been overstudying
they must not have been overstudying
Interrogative form
Simple form
must I overstudy?must you overstudy?
must she overstudy?
must we overstudy?
must you overstudy?
must they overstudy?
V-ing form
must I be overstudying?must you be overstudying?
must she be overstudying?
must we be overstudying?
must you be overstudying?
must they be overstudying?
Perfect
must I have overstudied?must you have overstudied?
must she have overstudied?
must we have overstudied?
must you have overstudied?
must they have overstudied?
V-ing perfect
must I have been overstudying?must you have been overstudying?
must she have been overstudying?
must we have been overstudying?
must you have been overstudying?
must they have been overstudying?
Interro-negative form
Simple form
must I not overstudy?must you not overstudy?
must she not overstudy?
must we not overstudy?
must you not overstudy?
must they not overstudy?
V-ing form
must I not be overstudying?must you not be overstudying?
must she not be overstudying?
must we not be overstudying?
must you not be overstudying?
must they not be overstudying?
Perfect
must I not have overstudied?must you not have overstudied?
must she not have overstudied?
must we not have overstudied?
must you not have overstudied?
must they not have overstudied?
V-ing perfect
must I not have been overstudying?must you not have been overstudying?
must she not have been overstudying?
must we not have been overstudying?
must you not have been overstudying?
must they not have been overstudying?